Red, which signals danger, prohibition and emergency stop.
Blue, used as the color for instruction signs.
Yellow, used as a warning color.
Green, to signal safety messages.
In order to make people aware of the environment and equipment around the existence of unsafe factors, it is necessary to paint a conspicuous safety color to raise people's awareness of unsafe factors. In addition, the unified use of safety colors, can make people in emergency situations, with the help of familiar safety meaning, as soon as possible to identify the dangerous parts, take timely measures to improve self-control ability, help prevent accidents. However, it must be noted that the safety color itself and the same safety signs, can not eliminate any danger. Nor can it replace other measures to prevent accidents.
In the parts coated with safety color, should always keep clean, if there is discoloration, fading and other non-compliance with the safety color of the color management regulations, should be re-coated in a timely manner in order to ensure that the safety color is correct, eye-catching. Half a year to a year should be checked.
The red color is very eye-catching, so that people in the psychological will produce a sense of excitement and stimulation. Red light light wave is longer. Not easy to be scattered by the dust and fog, in the far place is also easy to recognize, that is, the red attention is very high, the visual recognition is also very good, so it is used to indicate the danger, prohibit and emergency stop signals.
Blue. Although the attention and visual recognition of blue is not good, but with the use of white is good, especially in the case of direct sunlight is more obvious, so it is chosen as the color of the command sign.
Yellow. Yellow can produce higher brightness than red to the human eye. The stripe composed of yellow and black is the most recognizable color, especially to attract people's attention, so it is chosen as a warning color.
Green. Although the visual recognition of green and attention is not high. But green is fresh, young, youthful symbol. With peace, forever, growth, security and other psychological effects. So use the green color to prompt security information.